40400300

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 92025360

約数和(自身を除く): 51625060

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 61, 74, 100, 122, 148, 179, 185, 244, 305, 358, 370, 610, 716, 740, 895, 925, 1220, 1525, 1790, 1850, 2257, 3050, 3580, 3700, 4475, 4514, 6100, 6623, 8950, 9028, 10919, 11285, 13246, 17900, 21838, 22570, 26492, 33115, 43676, 45140, 54595, 56425, 66230, 109190, 112850, 132460, 165575, 218380, 225700, 272975, 331150, 404003, 545950, 662300, 808006, 1091900, 1616012, 2020015, 4040030, 8080060, 10100075, 20200150, 40400300]

約数ペア:

[(1, 40400300), (2, 20200150), (4, 10100075), (5, 8080060), (10, 4040030), (20, 2020015), (25, 1616012), (37, 1091900), (50, 808006), (61, 662300), (74, 545950), (100, 404003), (122, 331150), (148, 272975), (179, 225700), (185, 218380), (244, 165575), (305, 132460), (358, 112850), (370, 109190), (610, 66230), (716, 56425), (740, 54595), (895, 45140), (925, 43676), (1220, 33115), (1525, 26492), (1790, 22570), (1850, 21838), (2257, 17900), (3050, 13246), (3580, 11285), (3700, 10919), (4475, 9028), (4514, 8950), (6100, 6623)]